@article{10_4064_sm_58_1_1_5,
     author = {Ryotaro Sato},
     title = {On a local ergodic theorem},
     journal = {Studia Mathematica},
     pages = {1--5},
     year = {1976},
     volume = {58},
     number = {1},
     doi = {10.4064/sm-58-1-1-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-58-1-1-5/}
}